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AlladinOne [14]
2 years ago
9

Please hurry! What is the value of the expression when y=3?

Mathematics
1 answer:
lorasvet [3.4K]2 years ago
7 0
<h2>B. 41</h2>

Step-by-step explanation:

= 12 +  {4y}^{2}  - 7

= 12 +  {4(3)}^{2}  - 7

= 12 +  4(9)  - 7

=  12 + 36  - 7

= 48 - 7

= 41

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225 is 75% Is a number 168,75
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3 years ago
Evaluate log 1025 + log 1040 ​
SCORPION-xisa [38]

Answer:

6.02775720469

Step-by-step explanation:

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7 0
2 years ago
Read 2 more answers
My lawn is 17ft wide and 20ft long, each square foot of lawn gets 1350 new snowflakes per min how much snow in kilograms accumul
Alina [70]

Answer:

46.818 kg

Step-by-step explanation:

First, find the surface area of your yard. This is found by multiplying the length and width.

The equation for this is (l*w)=sa

So,

l=20ft

w=17ft

(20*17)= 340 square feet.

So, if each square foot gets 1350 new flakes per minute, you are going to find how much the entire yard gets in a minute by multiplying the surface area by 1350.

So,

(340*1350)= 459000  flakes for the entire yard in one minute.

Since there is 60 minutes in an hour, multiply 459,000 by 60.

459,000*60= 27,540,000  new flakes in the yard per hour.

Now, to find the weight in milligrams:

27,540,000*1.7= 46,818,000  mgs

Finally, because a kilogram is equal to one million milligrams (mg),

46,818,000/1,000,000= 46.818 kg

7 0
3 years ago
the length of an arc of a circle is 269⁢πcentimeters and the measure of the corresponding central angle is 65∘. what is the leng
scZoUnD [109]

The length of the circle's radius = 744.92 cm

Given the length of arc of a circle, arc length = 269⁢π cm

Central angle of a circle is the angle made between the radius through the arc length at the center of the circle.

The corresponding central angle = 65°

To find the corresponding central angle in radians = 65° x π/180 = 13π/36 radians

We have, arc length of a circle = radius x central angle

Therefore, radius of the circle = arc length / central angle

                                                  =  269⁢π /(13π/36)

                                                  = 744.92 cm

Learn more about arc length of a circle at brainly.com/question/28108430

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6 0
1 year ago
HELP i need help quickly please
guajiro [1.7K]

Answer:

c

Step-by-step explanation:

3 0
3 years ago
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